diff --git a/jobs/Hi365_SIT_Deploy_iOS/config.xml b/jobs/Hi365_SIT_Deploy_iOS/config.xml
index 8e8c96ab0d3551482bb201b201e4c2269cf44482..81c71326cc6b5bd7a162233e954d4484c7a674df 100644
--- a/jobs/Hi365_SIT_Deploy_iOS/config.xml
+++ b/jobs/Hi365_SIT_Deploy_iOS/config.xml
@@ -58,9 +58,18 @@
   <concurrentBuild>false</concurrentBuild>
   <builders>
     <hudson.tasks.Shell>
-      <command>project_path=$(pwd)
+      <command># Choose build dart by environment
+if [ $BUILD_BRANCH == &quot;master&quot; ]
+then
+   	default_doc=&quot;main_uat.dart&quot;
+else
+	default_doc=&quot;main_dev.dart&quot;
+fi
+
+# Set the variable
+project_path=$(pwd)
 
-flutter build ios -t lib/main_dev.dart
+flutter build ios -t lib/${default_doc}
 
 cd $project_path/ios